Product Overview
The Littelfuse 59025 Reed Sensor is a compact, cylindrical, non-contact switching solution designed for wet and harsh environments. It offers a choice of normally open, normally closed, or change-over contacts, capable of switching up to 265 Vac/300 Vdc at 10 VA. This hermetically sealed, IP67-rated sensor is ideal for industrial, appliance, and IoT proximity sensing applications, including security and access control, factory automation, and energy management systems. It functions effectively through non-ferrous materials and is designed to work with the 57025 actuator. Key advantages include no leakage current in the 'open' state, making it suitable for battery-powered IoT devices, and its compact size allows for easy installation and effective concealment.
Product Attributes
- Brand: Littelfuse
- Model: 59025 Reed Sensor
- Housing Material: 30% GF P.B.T
- Housing Color: Black
- Sealing: Epoxy
- Certifications: UL Recognized per UL 508 and CSA C22.2 No. 14, REACH compliant
- IP Rating: IP67
Technical Specifications
| Specification | Value | Notes |
|---|---|---|
| Sensor Dimensions | 25.4 mm (L) x 6.22 mm (Dia.) [1.00 x 0.245] | |
| Contact Rating (max.) | 10 VA / 5 VA | Product of switching voltage and current should not exceed wattage rating. |
| Switching Voltage (Vac max.) | 265 | |
| Switching Voltage (Vdc max.) | 300 | |
| Switching Current (Adc max.) | 0.5 / 0.4 / 0.25 | Varies by contact type. |
| Carry Current (Adc max.) | 1.2 / 1.4 / 1.5 | Varies by contact type. |
| Contact Resistance (Initial, max.) | 0.2 | For 300 mm wire length. |
| Insulation Resistance (min.) | 109 / 1010 | Varies by contact type. |
| Contact Capacitance (typ.) | 0.3 pF / 0.2 pF | Varies by contact type. |
| Operating Temperature | -40 to +105 C / -20 to +105 C | Varies by contact type. |
| Operate Time (max.) | 1.0 ms / 3.0 ms | Varies by contact type. |
| Release Time (max.) | 1.0 ms / 3.0 ms | Varies by contact type. |
| Shock (max.) | 100 G / 50 G | 11ms 12 sine. Varies by contact type. |
| Vibration (max.) | 30 G | 50-2000 Hz. |
| Cable Type | 24 AWG 7/32 PVC 105C UL1430/UL1569 | |
| Cable Length Options | 300 mm [11.81 in] / 1000 mm [39.37 in] | +/- 10.00 mm tolerance. |
| Termination Option | Tinned leads (6.40.76) mm | |
| Sensitivity Options (Pull-In AT Range) | 12-18 AT to 27-33 AT | Range varies by sensitivity (S, T, U, V) and switch type. |
| Sensitivity Options (Activation Distance) | 0.5-14 mm | Range varies by sensitivity (S, T, U, V) and switch type. |
| Sensitivity Options (Deactivation Distance) | 1-16 mm | Range varies by sensitivity (S, T, U, V) and switch type. |
| Switch Types | Normally Open, High Voltage, Change Over, Normally Closed |
2410121947_Littelfuse-59025-2-U-02-A_C5455722.pdf
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